| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 38.2 | 44.9 | 54.1 | 62.2 | 71.5 | 82.3 | 89.0 | 86.4 | 77.6 | 64.8 | 49.1 | 38.6 | 63.2 |
| Highest Mean Max. Temperature (F) | 46.4 | 54.4 | 62.8 | 71.4 | 77.9 | 89.2 | 92.4 | 89.6 | 83.7 | 72.9 | 60.7 | 47.4 | 92.4 |
| Year Highest Occurred | 1998 | 1995 | 1972 | 2000 | 2000 | 1974 | 2000 | 1996 | 1979 | 1988 | 1999 | 1980 | 2000 |
| Lowest Mean Max. Temperature (F) | 26.4 | 35.9 | 46.2 | 53.2 | 65.3 | 76.1 | 85.3 | 83.8 | 70.2 | 57.4 | 40.2 | 28.6 | 26.4 |
| Year Lowest Occurred | 1984 | 1984 | 1973 | 1975 | 1995 | 1998 | 1986 | 1984 | 1986 | 1984 | 1994 | 1985 | 1984 |
| Mean Temperature (F) | 28.7 | 34.5 | 42.6 | 49.5 | 57.8 | 67.5 | 74.4 | 72.4 | 63.5 | 51.5 | 38.5 | 29.0 | 50.8 |
| Highest Mean Temperature (F) | 37.3 | 41.9 | 49.2 | 56.2 | 63.1 | 73.4 | 77.0 | 75.3 | 68.7 | 58.5 | 46.9 | 37.3 | 77.0 |
| Year Highest Occurred | 2000 | 1995 | 1972 | 1992 | 2000 | 1974 | 1976 | 2000 | 1979 | 1988 | 1999 | 1977 | 1976 |
| Lowest Mean Temperature (F) | 19.4 | 25.3 | 36.6 | 43.2 | 52.8 | 61.3 | 69.9 | 68.8 | 58.0 | 46.4 | 30.3 | 19.4 | 19.4 |
| Year Lowest Occurred | 1984 | 1984 | 1976 | 1975 | 1995 | 1998 | 1993 | 1976 | 1986 | 1984 | 1994 | 1990 | 1990 |
| Mean Min. Temperature (F) | 19.1 | 24.1 | 31.1 | 36.7 | 44.1 | 52.7 | 59.7 | 58.4 | 49.4 | 38.1 | 27.8 | 19.4 | 38.4 |
| Highest Mean Min. Temperature (F) | 28.3 | 30.3 | 37.7 | 42.0 | 48.2 | 57.9 | 63.0 | 61.3 | 54.6 | 44.1 | 33.0 | 28.2 | 63.0 |
| Year Highest Occurred | 2000 | 2000 | 1978 | 1992 | 2000 | 1977 | 1976 | 1994 | 1990 | 1988 | 1999 | 1977 | 1976 |
| Lowest Mean Min. Temperature (F) | 9.5 | 14.8 | 23.2 | 31.9 | 39.6 | 46.4 | 54.2 | 52.8 | 43.7 | 33.1 | 20.3 | 8.7 | 8.7 |
| Year Lowest Occurred | 1989 | 1984 | 1977 | 1999 | 1975 | 1998 | 1993 | 1976 | 1985 | 1976 | 1994 | 1990 | 1990 |
| Mean Precipitation (in.) | 1.42 | 1.39 | 1.98 | 1.82 | 1.68 | 0.70 | 0.80 | 0.83 | 1.09 | 1.69 | 1.50 | 1.21 | 16.11 |
| Highest Precipitation (in.) | 3.18 | 4.19 | 3.74 | 4.05 | 3.88 | 2.95 | 1.99 | 2.18 | 5.05 | 4.64 | 4.79 | 3.32 | 5.05 |
| Year Highest Occurred | 1974 | 1998 | 1983 | 1999 | 1995 | 1990 | 1985 | 1984 | 1982 | 1994 | 1983 | 1972 | 1982 |
| Lowest Precipitation (in.) | 0.27 | 0.23 | 0.06 | 0.21 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.14 | 0.00 |
| Year Lowest Occurred | 1972 | 1972 | 1997 | 1977 | 1990 | 1996 | 1978 | 1996 | 1974 | 1995 | 1995 | 1980 | 1996 |
| Heating Degree Days (F) | 1127. | 855. | 695. | 470. | 247. | 61. | 2. | 3. | 106. | 423. | 796. | 1115. | 5900. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 24. | 135. | 291. | 232. | 60. | 3. | 0. | 0. | 748. |